The experiments indicate that the cells that store the contextual - TopicsExpress

The experiments indicate that the cells that store the contextual components of a memory form impermanent or malleable connections to the emotional components of that memory. Tonegawa explains that while a single set of neurons in the hippocampus stores the contextual information about a memory, there are two distinct sets of neurons in the amygdala to which they can connect: one set responsible for positive memory, the other responsible for negative memory. Circuits connect the hippocampal cells to each of the two populations of cells in the amygdala. “There is a competition between these circuits that dictates the overall emotional value and [positive or negative] direction of a memory,” Tonegawa says. neurosciencenews/memory-emotional-associations-neuroscience-1270/

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